SurfacePressureForceField
SurfacePressure
Templates:
Rigid3d
Target: Sofa.Component.MechanicalLoad
namespace: sofa::component::mechanicalload
parents:
ForceField
Data:
| Name | Description | Default value |
|---|---|---|
| name | object name | unnamed |
| printLog | if true, emits extra messages at runtime. | 0 |
| tags | list of the subsets the objet belongs to | |
| bbox | this object bounding box | |
| componentState | The state of the component among (Dirty, Valid, Undefined, Loading, Invalid). | Undefined |
| listening | if true, handle the events, otherwise ignore the events | 0 |
| isCompliance | Consider the component as a compliance, else as a stiffness | 0 |
| rayleighStiffness | Rayleigh damping - stiffness matrix coefficient | 0 |
| pressure | Pressure force per unit area | 0 |
| min | Lower bond of the selection box | 0 0 0 0 0 0 1 |
| max | Upper bond of the selection box | 0 0 0 0 0 0 1 |
| triangleIndices | Indices of affected triangles | |
| quadIndices | Indices of affected quads | |
| pulseMode | Cyclic pressure application | 0 |
| pressureLowerBound | Pressure lower bound force per unit area (active in pulse mode) | 0 |
| pressureSpeed | Continuous pressure application in Pascal per second. Only active in pulse mode | 0 |
| volumeConservationMode | Pressure variation follow the inverse of the volume variation | 0 |
| useTangentStiffness | Whether (non-symmetric) stiffness matrix should be used | 1 |
| defaultVolume | Default Volume | -1 |
| mainDirection | Main direction for pressure application | 0 0 0 0 0 0 |
| Visualization | ||
| drawForceScale | DEBUG: scale used to render force vectors | 0 |
Links:
| Name | Description |
|---|---|
| context | Graph Node containing this object (or BaseContext::getDefault() if no graph is used) |
| slaves | Sub-objects used internally by this object |
| master | nullptr for regular objects, or master object for which this object is one sub-objects |
| mechanicalStates | List of mechanical states to which this component is associated |
| mstate | MechanicalState used by this component |
| topology | link to the topology container |
Templates:
Vec3d
Target: Sofa.Component.MechanicalLoad
namespace: sofa::component::mechanicalload
parents:
ForceField
Data:
| Name | Description | Default value |
|---|---|---|
| name | object name | unnamed |
| printLog | if true, emits extra messages at runtime. | 0 |
| tags | list of the subsets the objet belongs to | |
| bbox | this object bounding box | |
| componentState | The state of the component among (Dirty, Valid, Undefined, Loading, Invalid). | Undefined |
| listening | if true, handle the events, otherwise ignore the events | 0 |
| isCompliance | Consider the component as a compliance, else as a stiffness | 0 |
| rayleighStiffness | Rayleigh damping - stiffness matrix coefficient | 0 |
| pressure | Pressure force per unit area | 0 |
| min | Lower bond of the selection box | 0 0 0 |
| max | Upper bond of the selection box | 0 0 0 |
| triangleIndices | Indices of affected triangles | |
| quadIndices | Indices of affected quads | |
| pulseMode | Cyclic pressure application | 0 |
| pressureLowerBound | Pressure lower bound force per unit area (active in pulse mode) | 0 |
| pressureSpeed | Continuous pressure application in Pascal per second. Only active in pulse mode | 0 |
| volumeConservationMode | Pressure variation follow the inverse of the volume variation | 0 |
| useTangentStiffness | Whether (non-symmetric) stiffness matrix should be used | 1 |
| defaultVolume | Default Volume | -1 |
| mainDirection | Main direction for pressure application | 0 0 0 |
| Visualization | ||
| drawForceScale | DEBUG: scale used to render force vectors | 0 |
Links:
| Name | Description |
|---|---|
| context | Graph Node containing this object (or BaseContext::getDefault() if no graph is used) |
| slaves | Sub-objects used internally by this object |
| master | nullptr for regular objects, or master object for which this object is one sub-objects |
| mechanicalStates | List of mechanical states to which this component is associated |
| mstate | MechanicalState used by this component |
| topology | link to the topology container |
Examples
Component/MechanicalLoad/SurfacePressureForceField.scn
<Node name="root" dt="0.01">
<RequiredPlugin name="Sofa.Component.Collision.Detection.Algorithm"/> <!-- Needed to use components [BVHNarrowPhase BruteForceBroadPhase CollisionPipeline] -->
<RequiredPlugin name="Sofa.Component.Collision.Detection.Intersection"/> <!-- Needed to use components [MinProximityIntersection] -->
<RequiredPlugin name="Sofa.Component.Collision.Geometry"/> <!-- Needed to use components [LineCollisionModel PointCollisionModel TriangleCollisionModel] -->
<RequiredPlugin name="Sofa.Component.Collision.Response.Contact"/> <!-- Needed to use components [CollisionResponse] -->
<RequiredPlugin name="Sofa.Component.Constraint.Projective"/> <!-- Needed to use components [FixedProjectiveConstraint] -->
<RequiredPlugin name="Sofa.Component.Engine.Select"/> <!-- Needed to use components [BoxROI] -->
<RequiredPlugin name="Sofa.Component.IO.Mesh"/> <!-- Needed to use components [MeshOBJLoader] -->
<RequiredPlugin name="Sofa.Component.LinearSolver.Iterative"/> <!-- Needed to use components [CGLinearSolver] -->
<RequiredPlugin name="Sofa.Component.Mapping.Linear"/> <!-- Needed to use components [BarycentricMapping] -->
<RequiredPlugin name="Sofa.Component.Mass"/> <!-- Needed to use components [UniformMass] -->
<RequiredPlugin name="Sofa.Component.MechanicalLoad"/> <!-- Needed to use components [SurfacePressureForceField] -->
<RequiredPlugin name="Sofa.Component.ODESolver.Backward"/> <!-- Needed to use components [EulerImplicitSolver] -->
<RequiredPlugin name="Sofa.Component.SolidMechanics.Spring"/> <!-- Needed to use components [MeshSpringForceField] -->
<RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
<RequiredPlugin name="Sofa.Component.Topology.Container.Constant"/> <!-- Needed to use components [MeshTopology] -->
<RequiredPlugin name="Sofa.Component.Topology.Container.Grid"/> <!-- Needed to use components [SparseGridTopology] -->
<RequiredPlugin name="Sofa.GL.Component.Rendering3D"/> <!-- Needed to use components [OglModel] -->
<DefaultAnimationLoop/>
<CollisionPipeline depth="6" verbose="0" draw="0" />
<BruteForceBroadPhase/>
<BVHNarrowPhase/>
<MinProximityIntersection name="Proximity" usePointPoint="1" alarmDistance="3.5" contactDistance="1.5" />
<CollisionResponse name="Response" response="PenalityContactForceField" />
<Node name="Frog">
<EulerImplicitSolver rayleighStiffness="0.1" rayleighMass="0.1" />
<CGLinearSolver iterations="30" tolerance="1e-5" threshold="1e-5"/>
<SparseGridTopology n="10 5 10" fileTopology="mesh/frog.obj" />
<MechanicalObject dx="-10.0" />
<UniformMass vertexMass="1.0" />
<BoxConstraint box="-18.0 2.0 -5.0 -2.0 3.0 5.0" />
<MeshSpringForceField name="Springs" stiffness="50000" damping="4" />
<Node name="Visu">
<MeshOBJLoader name="meshLoader_0" filename="mesh/frog.obj" handleSeams="1" />
<OglModel name="Visual" src="@meshLoader_0" color="0.5 1.0 0.5 1.0" />
<BarycentricMapping input="@.." output="@Visual" />
</Node>
<Node name="TriangleSurf">
<MeshOBJLoader name="loader" filename="mesh/frog.obj" />
<MeshTopology src="@loader" />
<MechanicalObject src="@loader" />
<TriangleCollisionModel group="1" />
<LineCollisionModel group="1" />
<PointCollisionModel group="1" />
<SurfacePressureForceField pressure="50000.0" pulseMode="true" pressureSpeed="20000.0" />
<BarycentricMapping input="@.." output="@." />
</Node>
</Node>
<Node name="Frog2">
<EulerImplicitSolver />
<CGLinearSolver iterations="30" tolerance="1e-5" threshold="1e-5"/>
<SparseGridTopology n="10 5 10" fileTopology="mesh/frog_quads.obj" />
<MechanicalObject dx="10.0" />
<UniformMass vertexMass="1.0" />
<BoxConstraint box="2.0 2.0 -5.0 18.0 3.0 5.0" />
<MeshSpringForceField name="Springs" stiffness="50000" damping="4" />
<Node name="Visu">
<MeshOBJLoader name="meshLoader_1" filename="mesh/frog_quads.obj" handleSeams="1" />
<OglModel name="Visual" src="@meshLoader_1" color="1.0 0.5 0.5 1.0" />
<BarycentricMapping input="@.." output="@Visual" />
</Node>
<Node name="QuadSurf">
<MeshOBJLoader name="loader" filename="mesh/frog_quads.obj" />
<MeshTopology src="@loader" />
<MechanicalObject src="@loader" />
<TriangleCollisionModel group="1" />
<LineCollisionModel group="1" />
<PointCollisionModel group="1" />
<SurfacePressureForceField pressure="50000.0" pulseMode="true" pressureSpeed="20000.0" />
<BarycentricMapping input="@.." output="@." />
</Node>
</Node>
</Node>
def createScene(rootNode):
root = rootNode.addChild('root', dt="0.01")
root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Algorithm")
root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Intersection")
root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Geometry")
root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Response.Contact")
root.addObject('RequiredPlugin', name="Sofa.Component.Constraint.Projective")
root.addObject('RequiredPlugin', name="Sofa.Component.Engine.Select")
root.addObject('RequiredPlugin', name="Sofa.Component.IO.Mesh")
root.addObject('RequiredPlugin', name="Sofa.Component.LinearSolver.Iterative")
root.addObject('RequiredPlugin', name="Sofa.Component.Mapping.Linear")
root.addObject('RequiredPlugin', name="Sofa.Component.Mass")
root.addObject('RequiredPlugin', name="Sofa.Component.MechanicalLoad")
root.addObject('RequiredPlugin', name="Sofa.Component.ODESolver.Backward")
root.addObject('RequiredPlugin', name="Sofa.Component.SolidMechanics.Spring")
root.addObject('RequiredPlugin', name="Sofa.Component.StateContainer")
root.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Constant")
root.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Grid")
root.addObject('RequiredPlugin', name="Sofa.GL.Component.Rendering3D")
root.addObject('DefaultAnimationLoop')
root.addObject('CollisionPipeline', depth="6", verbose="0", draw="0")
root.addObject('BruteForceBroadPhase')
root.addObject('BVHNarrowPhase')
root.addObject('MinProximityIntersection', name="Proximity", usePointPoint="1", alarmDistance="3.5", contactDistance="1.5")
root.addObject('CollisionResponse', name="Response", response="PenalityContactForceField")
Frog = root.addChild('Frog')
Frog.addObject('EulerImplicitSolver', rayleighStiffness="0.1", rayleighMass="0.1")
Frog.addObject('CGLinearSolver', iterations="30", tolerance="1e-5", threshold="1e-5")
Frog.addObject('SparseGridTopology', n="10 5 10", fileTopology="mesh/frog.obj")
Frog.addObject('MechanicalObject', dx="-10.0")
Frog.addObject('UniformMass', vertexMass="1.0")
Frog.addObject('BoxConstraint', box="-18.0 2.0 -5.0 -2.0 3.0 5.0")
Frog.addObject('MeshSpringForceField', name="Springs", stiffness="50000", damping="4")
Visu = Frog.addChild('Visu')
Visu.addObject('MeshOBJLoader', name="meshLoader_0", filename="mesh/frog.obj", handleSeams="1")
Visu.addObject('OglModel', name="Visual", src="@meshLoader_0", color="0.5 1.0 0.5 1.0")
Visu.addObject('BarycentricMapping', input="@..", output="@Visual")
TriangleSurf = Frog.addChild('TriangleSurf')
TriangleSurf.addObject('MeshOBJLoader', name="loader", filename="mesh/frog.obj")
TriangleSurf.addObject('MeshTopology', src="@loader")
TriangleSurf.addObject('MechanicalObject', src="@loader")
TriangleSurf.addObject('TriangleCollisionModel', group="1")
TriangleSurf.addObject('LineCollisionModel', group="1")
TriangleSurf.addObject('PointCollisionModel', group="1")
TriangleSurf.addObject('SurfacePressureForceField', pressure="50000.0", pulseMode="true", pressureSpeed="20000.0")
TriangleSurf.addObject('BarycentricMapping', input="@..", output="@.")
Frog2 = root.addChild('Frog2')
Frog2.addObject('EulerImplicitSolver')
Frog2.addObject('CGLinearSolver', iterations="30", tolerance="1e-5", threshold="1e-5")
Frog2.addObject('SparseGridTopology', n="10 5 10", fileTopology="mesh/frog_quads.obj")
Frog2.addObject('MechanicalObject', dx="10.0")
Frog2.addObject('UniformMass', vertexMass="1.0")
Frog2.addObject('BoxConstraint', box="2.0 2.0 -5.0 18.0 3.0 5.0")
Frog2.addObject('MeshSpringForceField', name="Springs", stiffness="50000", damping="4")
Visu = Frog2.addChild('Visu')
Visu.addObject('MeshOBJLoader', name="meshLoader_1", filename="mesh/frog_quads.obj", handleSeams="1")
Visu.addObject('OglModel', name="Visual", src="@meshLoader_1", color="1.0 0.5 0.5 1.0")
Visu.addObject('BarycentricMapping', input="@..", output="@Visual")
QuadSurf = Frog2.addChild('QuadSurf')
QuadSurf.addObject('MeshOBJLoader', name="loader", filename="mesh/frog_quads.obj")
QuadSurf.addObject('MeshTopology', src="@loader")
QuadSurf.addObject('MechanicalObject', src="@loader")
QuadSurf.addObject('TriangleCollisionModel', group="1")
QuadSurf.addObject('LineCollisionModel', group="1")
QuadSurf.addObject('PointCollisionModel', group="1")
QuadSurf.addObject('SurfacePressureForceField', pressure="50000.0", pulseMode="true", pressureSpeed="20000.0")
QuadSurf.addObject('BarycentricMapping', input="@..", output="@.")